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Blue-violet Lasers

Laser pointers with 405 nanometers wavelength of light are also called blue violet laser pointers. Although it is rarely prefered to the green and red ones, it could be used for what others do, which also reflects the individual unique aesthetic taste. It is probably not as much preferred lasers as an astronomy laser pointer, because brighter colors would make an object more visible in the sky. However it comes down to all other uses such as pinpointing something on the large screen or on the blackboard.

Green Lasers

Green laser pointers is now the world's most popular laser pointers, because the green light than red light 6 times more than red light beam significantly, while the price is much cheaper than the blue and yellow. Green pen is the wavelength of light emitted 500-550nm, the wavelength sensitivity of the coefficient table, as is the closest one wavelength. Green is undoubtedly efficient light source, the eye more easily identified. The green light sensitivity of the human eye is higher than a lot of red; the other is green light scattering in the atmosphere more than red light.

Red Lasers

Red laser pointers, wavelength 630-670nm green laser pointer is more for longer. The first red pointer was released in the early 1980s. Nowadays, the red laser diode technology has been very mature. More durable, the price is much more cheaper than ever. More easily transmitted red light air, dust, water vapor, so the light path can be seen to need more power. 100 mW red laser pointers probably only about 20 milliwatts, and green. Do remember that red laser pointers are powerful since the light they emit is powerful when it hits a certain object and converges into a point.

Place to note

Now, more and more laser pointers and flashlights sold in the market are class IIIB with a power over 5mW. But when the laser directly penetrates into the eyes, there may be some damage. Especially to some high power laser pointers, diffuse light probably damage the eyes, the focus are more likely to ignite flammable materials. Therefore laser pointers are not a toy, not suitable for children. When operating high-power laser, wear special secure glasses would be safe, especially for the invisible laser. In a word, no matter how much power the laser power is, you need to avoid hitting into your eyes.

Thanks for your attention. Today, we would like to recommend you this 20mW Professional Gypsophila Light Pattern Green Laser Pointer. Made of top quality stainless steel, it is durable for long-term use. There is a switch installed in the middle of the pointer; it is easy to operate. Gypsophila light pattern provides you with a sense of roman. Due to this character, it has also been used for concerts. Coordinating with the splendid performance and the crowd's passion, this pointer helps to promote the atmosphere. Except that, it is perfect for teachers, professors, doctors, managers, engineers and so on. Most of all, this product contains a single laser pen only, without any battery or charger. You'd buy additional accessory to make it function. Take one for your daily use!

Made of high quality stainless steel, so it is durable enough for long time using

Gypsophila light type makes it distinct from others

With 300 - 500m laser range, it can offer a wide and clean view from the far

Switch location is installed in the middle of the pointer, easy to press

Perfect for teachers, professors, doctors, managers, engineers and so on

Power saving, compact and reliable

Simply press the button to activate the green laser pointer and release it to deactivate

Using a laser pen to point at any target is more convenient than by hands

Technical specifications

Output Power

20mW

Wavelength

532nm

Light Color

Green

Laser Range

300 - 500m

Power Supply

2 x AAA Battery (not included)

Material

Stainless Steel

Switch Location

Middle

Color

Red

Light Type

Gypsophila

Weight

0.92 oz / 26 g

Dimensions

6.22 x 0.51" / 15.8 x 1.3 cm (L x Dia)

It looks like a pen

Laser comes out from here

Insert the batteries from here

The push button switch is here

Green lasers

You can use the laser pointer pen for camping, architecture, SOS and astronomy

The "picture show" is only for your reference, please make the object as the standard.

Package list

1 x Laser Pointer

Shipping and Handling

Product:

20mW Professional Gypsophila Light Pattern Green Laser Pointer Red

Shipping To

Shipping Methods

Delivery Time ( business days )

Rates

Worldwide Free Shipping

10-20 days

$0.00

Express Mail Shipping

5-10 days

$18.99

Return Policy

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